Lead Mechanical Design Engineer – High-Speed Rotating Machinery

Sapphire Technologies, Inc.•Cypress, CA

1d•Onsite

About The Position

Sapphire Technologies is seeking a Lead Mechanical Design Engineer to lead the development and production launch of advanced high-speed rotating machinery incorporating active magnetic bearings, high-speed electric machines, power electronics, and precision mechanical systems. The role will support a major new product platform serving rapidly growing energy and thermal-management applications, including data-center infrastructure. The program is progressing from product development into validation and will require a significant production ramp over the next several years. This is a hands-on technical leadership role with responsibility for mechanical architecture, system integration, validation, and production readiness. The successful candidate will lead a small team of engineers and designers while working closely with electrical, controls, manufacturing, quality, supply chain, and program-management teams.

Requirements

Bachelor’s degree in Mechanical Engineering or a related discipline; master’s degree preferred.
Eight or more years of experience developing turbomachinery, compressors, motors, generators, refrigeration equipment, or similar electromechanical products.
Demonstrated experience leading complex products from design through validation and production.
Strong knowledge of high-speed rotating equipment, rotor dynamics, bearings, seals, vibration, thermal management, tolerance analysis, and GD&T.
Proficiency with SolidWorks or comparable CAD software and engineering analysis tools.
Experience with DFM, DFMEA, product qualification, root-cause analysis, and multidisciplinary system integration.
Demonstrated ability to lead technical decisions and develop other engineers.

Nice To Haves

Active magnetic-bearing systems
Centrifugal compressors, turboexpanders, or other high-speed turbomachinery
High-speed permanent-magnet machines
Thermal-management or refrigeration systems
Precision balancing and high-speed rotor assembly
ASME, API, UL, CE, or related product standards
Manufacturing scale-up and supplier development

Responsibilities

Serve as the primary mechanical technical authority for high-speed rotating machinery products.
Own mechanical architecture, system interfaces, technical trade studies, and major design decisions.
Lead the design and analysis of rotors, shafts, impellers, housings, bearing systems, seals, cooling systems, pressure-containing components, and supporting structures.
Lead design reviews, DFMEA, validation planning, root-cause investigations, and corrective actions.
Ensure timely release of accurate CAD models, drawings, specifications, analyses, and bills of material.
Partner with manufacturing and suppliers to develop robust, cost-effective, and scalable designs.
Mentor engineers and designers while establishing strong engineering practices and accountability.